Test rigs for Multi-Disk-Clutches & Synchronizers

The ZF/FZG KLP 260 test bench is a brake test bench with an outer carrier fixed to the housing, as well as a rotating inner carrier. With this test rig, a complete clutch of the transmission is installed. The load is applied to the outer plates, at which the friction torque of the clutch is also measured. The clutch is cooled from the inside with defined cooling oil flow. The test rig is also supplied with an extra lubrication unit with controlled oil circulation (heating and cooling).

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Test rigs for Multi-Disk-Clutches & Synchronizers

7 Multi-Disk-Clutch test rigs:

 • LK-1 Investigation of friction, wear and durability

 • LK-2 Investigation of friction and frictional vibration

 • LK-3 Micro-slip and static friction investigations

 • LK-4 Investigation of drag torque (open clutch)

 • KLP-260 Standardized test rig for investigations of friction, wear and durability

7 Synchronizer test rigs:

 • SSP-180 (5x) Investigation of friction, wear and durability

 • SYN-1 Investigation of drag torque

 • SYN-2 Investigation of friction


Categories of Tribological Tests

Components Multidisc Clutches

Research topics:Friction behaviour

 • Micro-slip torque / static friction

 • Wear and overloading behaviour, wear

 • Endurance

 • Influence of lubrication and friction lining

 • Drag loss behaviour

State of research:

 • 10 Dissertations

 • 5 Test rigs

 • > 10 Publications


 • KUPSIM (temperature behaviour)

Application: Heavy Duty Synchronizers



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